PC window canopy --2011 new design : 1.2011 new PC product 2.UV-PC ... sets, extending freely.2) Easy installation. No need special fabricated location and labor, only a few workers ... installation cost, and improve the labor efficiency.3) High impact strength, UV resistance, anti-aging, long weather ... directly without any broken.5) Good looking. keep high quality assurance. And both Hollow PC sheet and ...